Fatal error: Uncaught Error: Class 'Mantum_Service' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\aplicaciones\modulos\parametros\modelo\_clases\ParametroService.php:13
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\aplicaciones\modulos\parametros\modelo\_clases\ParametroService.php on line 13